Calculus Examples

$\sum_{i = 1}^{5} 3 \cdot 4^{i - 1}$

Step 1

Expand the series for each value of $i$ .

$3 \cdot 4^{1 - 1} + 3 \cdot 4^{2 - 1} + 3 \cdot 4^{3 - 1} + \dots + 3 \cdot 4^{5 - 1}$

Step 2

Simplify the expanded form.

$1023$